Hair band



FIG. 1 is a perspective view of a hair band showing my new design, the broken lines showing the human form being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a side elevational view thereof, the undisclosed opposite side of FIG. 2 continues the configuration of the side shown;

FIG. 3 is a top plan view thereof, the bottom being identical thereof. 

The ornamental design for a hair band, as shown and described. 